05000334/LER-1981-072-03, /03L-0:on 810731,surveillance Test Conducted on Inner Air Lock of Containment Failed Leakage Rate Tech Spec Requirement.No Cause Stated.Air Lock Seal Replaced & Test Successfully Completed

/03L-0:on 810731,surveillance Test Conducted on Inner Air Lock of Containment Failed Leakage Rate Tech Spec Requirement.No Cause Stated.Air Lock Seal Replaced & Test Successfully Completed

ML20010F816
Person / Time
Site:	Beaver Valley
Issue date:	08/27/1981
From:	Lacey W DUQUESNE LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20010F813	List: 05000334/LER-1981-072, Forwards LER 81-072/03L-0 05000334/LER-1981-072-03, /03L-0:on 810731,surveillance Test Conducted on Inner Air Lock of Containment Failed Leakage Rate Tech Spec Requirement.No Cause Stated.Air Lock Seal Replaced & Test Successfully Completed
References
LER-81-072-03L, LER-81-72-3L, NUDOCS 8109110371
Download: ML20010F816 (2)

LER-1981-072, /03L-0:on 810731,surveillance Test Conducted on Inner Air Lock of Containment Failed Leakage Rate Tech Spec Requirement.No Cause Stated.Air Lock Seal Replaced & Test Successfully Completed

Event date:
Report date:
3341981072R03 - NRC Website

text

U. S. NUCLEAR REGULATORY COMMIEl1LS '

NRC FORM 3C4 (7 77 I LICENSEE EVENT REPORT CONTROL BLOCK: l l

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OOCKET NUVSER 60 61 EVENT DESCRIPTION AND PROBA8LE CONSECUENCES h 7

8 a surveillance test corducted on the inner air j

10121l Durinn power operation.

j failed the Icakace rate requirement of Technical Wl lock of containment j

inner air lock was declared inoperable The 10641l Specification 4.6.1.3.a.

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The outer air lock was onerable.

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air 10ck seal was replaced and the surveillance test was sucess u lilO f l The l

Because of the frequent problems with 1330 hours0.0154 days <br />0.369 hours <br />0.0022 weeks <br />5.06065e-4 months <br /> on 7/31/81.

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the air lock. a desien chance has been initiated an

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W l the second refueline ournce.

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3 3 OISCOVERY DESCRIPTION OTHER STATUS Surveillance test j

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% POWER NA l

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CO$ TENT AuOuNT OP ACTiviTv @ l l

aCTivtTY N/A l

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7 8 9 tI 12 LOSS OF OR OAVACE TO FACILITV l

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.N AV..E O F P 53 E P AH E R

Attachment to LER 81-72/03L Beaver Valley Power Station Duquesne Light Company Docket No. 50-334 No further information is availabic or needed to satisfy the reporting requirement.

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